dart::FunctionTypeMapping Class Reference

Inheritance diagram for dart::FunctionTypeMapping:

Public Member Functions
	FunctionTypeMapping (Zone *zone, FunctionTypeMapping **mapping, const FunctionType &from, const FunctionType &to)
const FunctionType *	Find (const Object &from) const
TypeParameterPtr	MapTypeParameter (const TypeParameter &type_param) const
bool	ContainsOwnersOfTypeParameters (const TypeParameter &p1, const TypeParameter &p2) const
Public Member Functions inherited from dart::ValueObject
	ValueObject ()
	~ValueObject ()

Detailed Description

Definition at line 6562 of file object.cc.

Constructor & Destructor Documentation

FunctionTypeMapping()

dart::FunctionTypeMapping::FunctionTypeMapping ( Zone *  zone, FunctionTypeMapping **  mapping, const FunctionType &  from, const FunctionType &  to  )

inline

Definition at line 6564 of file object.cc.

      : zone_(zone), parent_(*mapping), from_(from), to_(to) {
    // Add self to the linked list.
    *mapping = this;
  }

Member Function Documentation

ContainsOwnersOfTypeParameters()

bool dart::FunctionTypeMapping::ContainsOwnersOfTypeParameters ( const TypeParameter &  p1, const TypeParameter &  p2  ) const

inline

Definition at line 6597 of file object.cc.

                                                                     {
    auto& from = FunctionType::Handle(zone_, p1.parameterized_function_type());
    const FunctionType* to = Find(from);
    if (to != nullptr) {
      return to->ptr() == p2.parameterized_function_type();
    }
    from = p2.parameterized_function_type();
    to = Find(from);
    if (to != nullptr) {
      return to->ptr() == p1.parameterized_function_type();
    }
    return false;
  }

Find()

const FunctionType * dart::FunctionTypeMapping::Find ( const Object &  from ) const

inline

Definition at line 6573 of file object.cc.

                                                     {
    if (!from.IsFunctionType()) {
      return nullptr;
    }
    for (const FunctionTypeMapping* scope = this; scope != nullptr;
         scope = scope->parent_) {
      if (scope->from_.ptr() == from.ptr()) {
        return &(scope->to_);
      }
    }
    return nullptr;
  }

MapTypeParameter()

TypeParameterPtr dart::FunctionTypeMapping::MapTypeParameter ( const TypeParameter &  type_param ) const

inline

Definition at line 6586 of file object.cc.

                                                                           {
    ASSERT(type_param.IsFunctionTypeParameter());
    const FunctionType* new_owner = Find(
        FunctionType::Handle(zone_, type_param.parameterized_function_type()));
    if (new_owner != nullptr) {
      return new_owner->TypeParameterAt(type_param.index() - type_param.base(),
                                        type_param.nullability());
    }
    return type_param.ptr();
  }

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The documentation for this class was generated from the following file:

• third_party/dart-lang/sdk/runtime/vm/object.cc